Diablo?s new, high performance hole saws deliver faster cutting performance and increased productivity. Unlike anything on the market, Diablo?s hole saw system and mandrel design simplify the attachment process for fast and efficient hole saw mounting. These radical new hole saws provide ultimate cutting length to bore deeper holes in a single pass, tool-free plug ejection and Variable Tooth Design for faster cuts. . 60mm (2-3/8 in) cutting depth for deeper holes in one pass and increased productivity. Snap-Lock Plus? mandrel system allows a quick and easy change with no down time. Mandrel fits all Diablo hole saws, from 5/8 in. to 6 in. diameter. Tool free plug ejection for fast material removal. 1/2″ and 5/8″ thread adapter nuts convert other hole saw brands to Snap-Lock Plus?.